さっ
satto

Adverb

1. quickly (esp. actions)

Usually Written in Kana
かれ教室 きょうしつをさっと した。
karewa kyōshitsuo satto nukedashita.
He slipped out of the classroom.
Adverb

2. suddenly (esp. wind, rain, etc.)

Usually Written in Kana
すばらしい景色 けしきがさっと まえ あらわれた。
subarashii keshikiga satto menomaeni arawareta.
A glorious sight burst on our view.
Other forms: